EP0254193A3 - Elastomeric coating compositions - Google Patents

Elastomeric coating compositions Download PDF

Info

Publication number: EP0254193A3
Authority: EP; European Patent Office
Prior art keywords: coating compositions; elastomeric coating; elastomeric; compositions; coating
Prior art date: 1986-07-21
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19870110200

Other versions

EP0254193A2 (en

EP0254193B1 (en

Inventor

Robert John Schmitt

Leon Antonio Perez

Robert Alan Montague

Marvin Theodore Tetenbaum

Ellor James Van Buskirk

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

PPG Industries Inc

Original Assignee

PPG Industries Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-07-21

Filing date

1987-07-15

Publication date

1989-04-26

1987-07-15 Application filed by PPG Industries Inc filed Critical PPG Industries Inc

1988-01-27 Publication of EP0254193A2 publication Critical patent/EP0254193A2/en

1989-04-26 Publication of EP0254193A3 publication Critical patent/EP0254193A3/en

1992-11-04 Application granted granted Critical

1992-11-04 Publication of EP0254193B1 publication Critical patent/EP0254193B1/en

2007-07-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/16—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6461—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having phosphorus
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
- Y10T428/31515—As intermediate layer
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
- Y10T428/31515—As intermediate layer
- Y10T428/31522—Next to metal
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
- Y10T428/31529—Next to metal
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paints Or Removers (AREA)
Laminated Bodies (AREA)
Application Of Or Painting With Fluid Materials (AREA)
Polyurethanes Or Polyureas (AREA)

EP19870110200 1986-07-21 1987-07-15 Elastomeric coating compositions Expired - Lifetime EP0254193B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/887,455 US4692382A (en)	1986-07-21	1986-07-21	Elastomeric coating compositions
US887455		1986-07-21

Publications (3)

Publication Number	Publication Date
EP0254193A2 EP0254193A2 (en)	1988-01-27
EP0254193A3 true EP0254193A3 (en)	1989-04-26
EP0254193B1 EP0254193B1 (en)	1992-11-04

Family

ID=25391170

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19870110200 Expired - Lifetime EP0254193B1 (en)	1986-07-21	1987-07-15	Elastomeric coating compositions

Country Status (8)

Country	Link
US (1)	US4692382A (en)
EP (1)	EP0254193B1 (en)
JP (2)	JPH062795B2 (en)
KR (1)	KR910001760B1 (en)
AU (1)	AU582695B2 (en)
CA (1)	CA1295762C (en)
DE (1)	DE3782461T2 (en)
ES (1)	ES2035000T3 (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6233793A (en) *	1985-08-05	1987-02-13	Usui Internatl Ind Co Ltd	Corrosion resistant superposedly coated steel products
US4692383A (en) *	1986-07-21	1987-09-08	Ppg Industries, Inc.	Polycarbonate based elastomeric coating compositions
US4820784A (en) *	1988-01-13	1989-04-11	The Dow Chemical Company	Modified advanced epoxy resins
DE3803226A1 (en) *	1988-02-04	1989-08-17	Hoechst Ag	AGENT FOR COATING WITH FLUORINE POLYMERS
US4835018A (en) *	1988-05-13	1989-05-30	Desoto, Inc.	Abrasion and corrosion resistant primer coatings
US5035940A (en) *	1988-09-19	1991-07-30	Rexham Corporation	Aluminum-fluoropolymer laminate
US5545824A (en) *	1993-09-14	1996-08-13	Ppg Industries, Inc.	Curing composition for acrylic polyol coatings and coating produced therefrom
US5468802A (en) *	1994-07-18	1995-11-21	Ppg Industries, Inc.	Low volatile organic content automotive refinish coating composition
JP3630336B2 (en) *	1994-09-20	2005-03-16	旭電化工業株式会社	Urethane modified epoxy resin
US5559195A (en) *	1994-12-21	1996-09-24	Basf Corporation	Coating composition containing carbamate functional and acrylamide functional components
DE19650157A1 (en) *	1996-12-04	1998-06-10	Basf Coatings Ag	Process for coating substrates, preferably of metal
WO1999031186A1 (en) *	1997-12-17	1999-06-24	Ppg Industries Ohio, Inc.	Flexible phosphatized polyester-urethane primers and improved coating systems including the same
JPH11291395A (en) *	1998-04-06	1999-10-26	Nippon Steel Corp	Precoated steel sheet excellent in weathering resistance, and impact adhesion resistance, and its application
US6126999A (en) *	1998-04-13	2000-10-03	Tomasino; Randolf R.	Urethane-acrylic rubber coating and method of forming a vehicle bed liner
US6248225B1 (en)	1998-05-26	2001-06-19	Ppg Industries Ohio, Inc.	Process for forming a two-coat electrodeposited composite coating the composite coating and chip resistant electrodeposited coating composition
US6423425B1 (en)	1998-05-26	2002-07-23	Ppg Industries Ohio, Inc.	Article having a chip-resistant electrodeposited coating and a process for forming an electrodeposited coating
DE60107583T2 (en)	2000-09-11	2005-12-29	Dow Global Technologies, Inc., Midland	METHOD AND DEVICE FOR PRODUCING A TIRE SUPPORT BODY
AU9129001A (en)	2000-09-11	2002-03-26	Dow Chemical Co	Run flat tire support
US6688867B2 (en) *	2001-10-04	2004-02-10	Eaton Corporation	Rotary blower with an abradable coating
US20040185261A1 (en) *	2001-11-14	2004-09-23	Shigeru Umino	Surface-treated metal sheet and surface-treating agent
US7520553B1 (en)	2005-02-03	2009-04-21	Brian L. Schouest	Heavy-duty rubber aerosol and method
US7438070B2 (en) *	2006-01-11	2008-10-21	Mancini Ralph J	Archery bow having improved design to absorb shock and reduce vibration
US7416236B2 (en) *	2006-10-10	2008-08-26	David Boddie	Hybrid truck bed liner
US9132449B2 (en)	2007-05-02	2015-09-15	Valspar Sourcing, Inc.	Coating system
US20100132241A1 (en) *	2008-05-19	2010-06-03	Mancini Ralph J	Method for accurizing a firearm
US8784628B2 (en)	2008-10-03	2014-07-22	Grace Engineering Corp.	E-coating method for archery bow components
US8668988B2 (en)	2011-06-15	2014-03-11	Nicola Schoots	Polyurethane panel
JP5543004B1 (en) *	2013-09-30	2014-07-09	日新製鋼株式会社	Painted metal profile
JP6806488B2 (en) *	2016-07-29	2021-01-06	株式会社Adeka	A curable resin composition and an adhesive for joining structural materials using the composition.
JP6681459B1 (en) *	2018-12-21	2020-04-15	日本ペイント・インダストリアルコ−ティングス株式会社	Pre-coated metal plate coating composition, pre-coated metal plate and method for producing the same
WO2024011502A1 (en) *	2022-07-14	2024-01-18	Henkel Ag & Co. Kgaa	Protection coating composition, treating method using the same and article thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4259472A (en) *	1980-01-04	1981-03-31	Ford Motor Company	Two component oligomeric phosphate/isocyanate composition
US4535103A (en) *	1984-04-24	1985-08-13	Asahi Denka Kogyo K.K.	Coating composition

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3215668A (en) *	1962-04-09	1965-11-02	Pittsburgh Plate Glass Co	Mixed carbonate-carbamate polyesters and process of making
US3248415A (en) *	1963-01-16	1966-04-26	Pittsburgh Plate Glass Co	Method of preparing high molecular weight polycarbonates
US3248414A (en) *	1963-01-16	1966-04-26	Pittsburgh Plate Glass Co	Method of preparing high molecular weight polycarbonates
NL296505A (en) *	1963-08-09
US3912790A (en) *	1969-07-07	1975-10-14	Ppg Industries Inc	Compositions for producing extensible coatings
US3660523A (en) *	1970-02-25	1972-05-02	Desoto Inc	Aluminum primer containing epoxide resin and isocyanate terminated urethane prepolymer
BE792203A (en) *	1971-08-02	1973-06-01	Ppg Industries Inc	SHEET PRODUCTS WITH GOOD IMPACT RESISTANCE
US4062887A (en) *	1974-05-30	1977-12-13	Ppg Industries, Inc.	Transparent, optically clear poly(lactone-urethane) interlayers for laminated safety glass
US4035548A (en) *	1974-05-30	1977-07-12	Ppg Industries, Inc.	Laminated articles prepared from transparent, non-blooming poly(lactone-urethane) interlayers
JPS536979B2 (en) *	1974-07-12	1978-03-13
US4160853A (en) *	1976-04-28	1979-07-10	Ppg Industries, Inc.	Catalyst for making polycarbonate diols for use in polycarbonate urethanes
US4024113A (en) *	1976-04-28	1977-05-17	Ppg Industries, Inc.	Polycarbonate polyurethanes based on particular aliphatic/cycloaliphatic polycarbonates
US4282123A (en) *	1979-08-06	1981-08-04	Mobil Oil Corporation	Elastomeric urethane coating
JPS58122991A (en) *	1982-01-19	1983-07-21	Kao Corp	Coal/water slurry composition
US4434278A (en) *	1982-09-27	1984-02-28	Celanese Corporation	Phosphate esters of acrylated epoxides
US4514037A (en) *	1983-10-21	1985-04-30	Desoto, Inc.	Ultraviolet curable outer coatings for optical fiber
US4530947A (en) *	1984-04-24	1985-07-23	Asahi Denka Kogyo K.K.	Anticorrosive coating composition
US4638020A (en) *	1984-11-23	1987-01-20	Ppg Industries, Inc.	Aqueous composition comprising a phosphated epoxy and non-self dispersible resin
US4692383A (en) *	1986-07-21	1987-09-08	Ppg Industries, Inc.	Polycarbonate based elastomeric coating compositions

1986
- 1986-07-21 US US06/887,455 patent/US4692382A/en not_active Expired - Fee Related
1987
- 1987-06-30 CA CA 540975 patent/CA1295762C/en not_active Expired - Lifetime
- 1987-07-10 AU AU75520/87A patent/AU582695B2/en not_active Ceased
- 1987-07-15 DE DE8787110200T patent/DE3782461T2/en not_active Expired - Fee Related
- 1987-07-15 EP EP19870110200 patent/EP0254193B1/en not_active Expired - Lifetime
- 1987-07-15 ES ES87110200T patent/ES2035000T3/en not_active Expired - Lifetime
- 1987-07-20 KR KR1019870007854A patent/KR910001760B1/en not_active IP Right Cessation
- 1987-07-21 JP JP18210487A patent/JPH062795B2/en not_active Expired - Lifetime
1991
- 1991-05-27 JP JP12127991A patent/JPH06102179B2/en not_active Expired - Lifetime

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4259472A (en) *	1980-01-04	1981-03-31	Ford Motor Company	Two component oligomeric phosphate/isocyanate composition
US4535103A (en) *	1984-04-24	1985-08-13	Asahi Denka Kogyo K.K.	Coating composition

Also Published As

Publication number	Publication date
EP0254193A2 (en)	1988-01-27
ES2035000T3 (en)	1993-04-16
JPS6333480A (en)	1988-02-13
JPH062795B2 (en)	1994-01-12
KR910001760B1 (en)	1991-03-23
DE3782461D1 (en)	1992-12-10
AU582695B2 (en)	1989-04-06
CA1295762C (en)	1992-02-11
US4692382A (en)	1987-09-08
JPH06102179B2 (en)	1994-12-14
AU7552087A (en)	1988-01-28
KR880001766A (en)	1988-04-26
EP0254193B1 (en)	1992-11-04
JPH04227890A (en)	1992-08-17
DE3782461T2 (en)	1993-05-13

Publication	Publication Date	Title
EP0254193A3 (en)	1989-04-26	Elastomeric coating compositions
AR244767A1 (en)	1993-11-30	Coating compositions
GB2192399B (en)	1990-04-11	Coating composition
GB8621472D0 (en)	1986-10-15	Coating compositions
EP0261979A3 (en)	1989-09-06	Coating compositions
EP0268851A3 (en)	1990-03-14	Elastomer composition
EP0260966A3 (en)	1990-04-25	Coating composition
GB8609704D0 (en)	1986-05-29	Coating composition
GB8616878D0 (en)	1986-08-20	Coating compositions
EP0247910A3 (en)	1989-06-07	Inorganic coating compositions
ZA87562B (en)	1987-11-25	Coating compositions
GB2188643B (en)	1990-05-02	Paint compositions
EP0269057A3 (en)	1989-02-22	Coating composition
GB8616136D0 (en)	1986-08-06	Elastomeric compositions
GB8629978D0 (en)	1987-01-28	Elastomeric compositions
AR244296A1 (en)	1993-10-29	Coating compositions
GB2190672B (en)	1990-07-25	Surface coating compositions
EP0267731A3 (en)	1990-02-07	Higher solid coating compositions
EP0266738A3 (en)	1989-12-13	Coating composition
EP0237951A3 (en)	1989-04-12	Coating composition
ZA876413B (en)	1988-07-27	Coating compositions
GB8702946D0 (en)	1987-03-18	Coating compositions
GB8606495D0 (en)	1986-04-23	Coating compositions
GB8600380D0 (en)	1986-02-12	Coating compositions
IE861845L (en)	1987-01-10	Coating compositions

Legal Events

Date	Code	Title	Description
1987-12-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1988-01-27	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE DE ES FR GB IT NL SE
1989-03-08	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-04-26	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE ES FR GB IT NL SE
1989-08-23	17P	Request for examination filed	Effective date: 19890627
1991-05-08	17Q	First examination report despatched	Effective date: 19910325
1992-09-16	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1992-11-04	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE ES FR GB IT NL SE
1992-12-10	REF	Corresponds to:	Ref document number: 3782461 Country of ref document: DE Date of ref document: 19921210
1992-12-11	ET	Fr: translation filed
1993-02-01	ITF	It: translation for a ep patent filed
1993-04-16	REG	Reference to a national code	Ref country code: ES Ref legal event code: FG2A Ref document number: 2035000 Country of ref document: ES Kind code of ref document: T3
1993-09-04	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1993-09-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1993-10-27	26N	No opposition filed
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 87110200.0
1998-06-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19980618 Year of fee payment: 12
1998-06-22	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19980622 Year of fee payment: 12
1998-06-25	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19980625 Year of fee payment: 12
1998-06-26	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19980626 Year of fee payment: 12
1998-06-29	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19980629 Year of fee payment: 12
1998-07-14	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: ES Payment date: 19980714 Year of fee payment: 12 Ref country code: BE Payment date: 19980714 Year of fee payment: 12
1999-07-15	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990715
1999-07-16	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990716
1999-07-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19990730
1999-07-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19990731 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990731
2000-01-31	BERE	Be: lapsed	Owner name: PPG INDUSTRIES INC. Effective date: 19990731
2000-02-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000201
2000-03-08	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19990715
2000-03-27	EUG	Se: european patent has lapsed	Ref document number: 87110200.0
2000-04-03	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 20000201
2000-05-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000503
2004-03-16	REG	Reference to a national code	Ref country code: ES Ref legal event code: FD2A Effective date: 20000810
2005-07-15	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050715